310 bool llvm::isSafeToMoveBefore(Instruction &I, Instruction &InsertPoint,  in isSafeToMoveBefore()  argument
318   if (&I == &InsertPoint)  in isSafeToMoveBefore()
322   if (I.getNextNode() == &InsertPoint)  in isSafeToMoveBefore()
325   if (isa<PHINode>(I) || isa<PHINode>(InsertPoint))  in isSafeToMoveBefore()
332   if (!isControlFlowEquivalent(I, InsertPoint, DT, *PDT))  in isSafeToMoveBefore()
335   if (!DT.dominates(&InsertPoint, &I))  in isSafeToMoveBefore()
338         if (UserInst != &InsertPoint && !DT.dominates(&InsertPoint, U))  in isSafeToMoveBefore()
340   if (!DT.dominates(&I, &InsertPoint))  in isSafeToMoveBefore()
343         if (&InsertPoint == OpInst || !DT.dominates(OpInst, &InsertPoint))  in isSafeToMoveBefore()
347   const bool MoveForward = domTreeLevelBefore(&DT, &I, &InsertPoint);  in isSafeToMoveBefore()
348   Instruction &StartInst = (MoveForward ? I : InsertPoint);  in isSafeToMoveBefore()
349   Instruction &EndInst = (MoveForward ? InsertPoint : I);  in isSafeToMoveBefore()
353     InstsToCheck.insert(&InsertPoint);  in isSafeToMoveBefore()
389 bool llvm::isSafeToMoveBefore(BasicBlock &BB, Instruction &InsertPoint,  in isSafeToMoveBefore()  argument
396     return isSafeToMoveBefore(I, InsertPoint, DT, PDT, DI);  in isSafeToMoveBefore()